void CreateLabel(SystemObjectRenderInfo sysObj)
{
var NameLabel = new GLUtilities.GLFont(glEffect,
new Vector3(sysObj.PositionGL.X, (float)(sysObj.PositionGL.Y - sysObj.ItemRadiusKM), 0),
DEFAULT_TEXT_SIZE, Color4.White, sysObj.DEFAULT_GLFONT2, sysObj.LabelName);
}
private void CreateGraphic(SystemObjectRenderInfo sysObj)
{
var Graphic = new GLUtilities.GLQuad(glEffect, sysObj.PositionGL,
sysObj.Size, sysObj.ItemColour, sysObj.ItemTextureName);
}
public GLOrbitCircle(GLEffect a_oEffect, Vector3 a_v3Pos, SystemObjectRenderInfo renderInfo, Color4 a_oColor, string a_szTexture = "")
: base()
{
// Save some stuff to member vars:
//double dKMperAUdevby10 = (Pulsar4X.Constants.Units.KM_PER_AU / 10); // we scale everthing down by 10 to avoid float buffer overflows.
m_v3Position = a_v3Pos;
m_v2Size.X = 1;
// set verts to 360, looks good at any zoom.
int iNumOfVerts = 360;
//create our Vertex and index arrays:
m_aoVerticies = new GLVertex[iNumOfVerts];
m_auiIndicies = new ushort[iNumOfVerts + 1]; // make this one longer so it can loop back around to the begining!!
for (int i = 0; i < iNumOfVerts; ++i)
{
double dAngle = i * (MathHelper.TwoPi / iNumOfVerts);
double x, y;
a_oOrbitEntity.Orbit.GetPosition(dAngle, out x, out y);
m_aoVerticies[i].m_v4Position.X = (float)x;
m_aoVerticies[i].m_v4Position.Y = (float)y;
m_aoVerticies[i].m_v4Position.Z = 0;
m_aoVerticies[i].SetColor(a_oColor);
m_auiIndicies[i] = (ushort)i;
}
// set last index:
m_auiIndicies[iNumOfVerts] = 0;
// Setup Matrix:
m_m4ModelMatrix = Matrix4.Identity * Matrix4.CreateTranslation(a_v3Pos);
// Set our shader program:
m_oEffect = a_oEffect;
// Load texture if specified:
if (a_szTexture != "")
{
// We can assuem we have been provided with a texture to load:
//m_uiTextureID = Helpers.ResourceManager.Instance.LoadTexture(a_szTexture);
}
else
{
m_uiTextureID = 0; // set texture to none!
}
// tell Opgl about our VBOs:
GL.GenVertexArrays(1, out m_uiVextexArrayHandle); // Generate Our Vertex Array and get the handle to it.
GL.BindVertexArray(m_uiVextexArrayHandle); // Lets OpenGL that this is the current "active" vertex array.
//#if DEBUG
// logger.Info("OpenGL Generate VAO: " + GL.GetError().ToString());
//#endif
GL.GenBuffers(1, out m_uiVertexBufferHandle); // Generate our Vertex Buffer Object and get the handle to it.
GL.BindBuffer(BufferTarget.ArrayBuffer, m_uiVertexBufferHandle); // Lets Open GL know that this is the current active buffer object.
GL.BufferData <GLVertex>(BufferTarget.ArrayBuffer, new IntPtr(m_aoVerticies.Length * GLVertex.SizeInBytes()), m_aoVerticies, BufferUsageHint.StaticDraw); // tells OpenGL about the structure of the data.
//#if DEBUG
// logger.Info("OpenGL Generate VBO: " + GL.GetError().ToString());
//#endif
GL.GenBuffers(1, out m_uiIndexBufferHandle); //Generate Our index Buffer and get handle to it.
GL.BindBuffer(BufferTarget.ElementArrayBuffer, m_uiIndexBufferHandle); // Lets Open GL know that this is the current active buffer object.
GL.BufferData(BufferTarget.ElementArrayBuffer, new IntPtr(m_auiIndicies.Length * sizeof(ushort)), m_auiIndicies, BufferUsageHint.StaticDraw); // Tells OpenGL how the data is structured.
//#if DEBUG
// logger.Info("OpenGL Generate EBO: " + GL.GetError().ToString());
//#endif
GL.BindBuffer(BufferTarget.ArrayBuffer, m_uiVertexBufferHandle); // Switch back to our Buffer Object as the current buffer.
GL.VertexAttribPointer(0, 4, VertexAttribPointerType.Float, false, GLVertex.SizeInBytes(), 0); // Tells OpenGL about the first three doubles in the vbo, i.e the position of the vertex.
GL.VertexAttribPointer(1, 4, VertexAttribPointerType.Float, true, GLVertex.SizeInBytes(), Vector4.SizeInBytes); // tells OpenGL about the 4 floats used to repesent color.
GL.VertexAttribPointer(2, 2, VertexAttribPointerType.Float, false, GLVertex.SizeInBytes(), (Vector4.SizeInBytes + Vector4.SizeInBytes)); // tells OpenGL about the 2 floats in the vertgexc used to repesent UV coords.
//#if DEBUG
// logger.Info("OpenGL Create Vertes Attribute Pointers: " + GL.GetError().ToString());
//#endif
// Turn on the Vertex Attribs:
GL.EnableVertexAttribArray(0);
GL.EnableVertexAttribArray(1);
GL.EnableVertexAttribArray(2);
// #if DEBUG
// logger.Info("OpenGL Create Circle Primitive: " + GL.GetError().ToString());
//#endif
}
